With a light microscope, which of the following would allow discrimination between eukaryotes and prokaryotes?
a. Observation of photosynthetic pigment
b. Observation of flagella
c. Observation of the plasma membrane
d. Observation of nuclei
d. Observation of the ribosomes
Answer: d. Observation of the ribosomes
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Overproduction of what substance is associated with biofilm production and mucoid phenotype of P. aeruginosa isolates found in cystic fibrosis patients?
a. Alginate b. Exoenzyme T c. Phospholipase C d. Pyocyanin
What problems are associated with desalination?
What will be an ideal response?
On Figure 37-3, the part of the embryo that contains most of the food used by the embryonic plant during germination is labeled:
a. 2.
b. 3.
c. 4.
d. 5.
e. 6.
The first person to suggest a general definition of species was
A. Charles Darwin. B. Carolus Linnaeus. C. John Ray. D. Joseph Priestly.